Question about Microwave Ovens
Combo unit microwave over conventional oven with all controls on microwave. I think it's a 1990 vintage. Oven still works okay. Microwave with new fuse installed lights go on and it begins to start up and then blows the fuse again.
I have the same issue and the same unit. I wonder if there's a recall...
Posted on Feb 21, 2010
It sounds like a shorted high voltage capacitor, a fairly cheap fix. But if it's good, I would suspect the high voltage transformer.
Here are some links you or a friend can use for test help, but read the safety warnings first:
There should be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.
You can usually find helpful exploded view diagrams and order parts by entering your full model number here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Sep 06, 2008
The fuse blows a couple of seconds after pressing Start, doesn't make it to the cooking stage. I've only attempted changing the fuse once as I am aware there is normally something causing it to blow. The model is JKP62GOK3 BG. I have seen references to the high voltage transformer possibly being the problem. Perhaps with the age of the unit it's just time to replace? Thanks, Gary
Posted on Sep 02, 2008
Tips for a great answer:
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I think I understand what you mean.
If you were to log on to the
manufacturer's web site, I think you will be pleasantly surprised as
usually one is able to download, by model number, Customer
Instruction Manuals, list
of Dealers and Driver
Just Google the manufacturer's name and
follow the links. Make certain you are directed to the manufacturer's
web site as some search engines direct you to other sites and they
charge for the information that is normally free of charge.
The magnetron may have either failed or
is not being supplied with the extremely high voltage required to run
Make sure the !!!!capacitor is discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 on high resistance range for short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
I hope this helps.
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